content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl.operators;
  
  import hu.akarnokd.reactive4javaflow.*;
  import hu.akarnokd.reactive4javaflow.functionals.CheckedFunction;
  import hu.akarnokd.reactive4javaflow.fused.ConditionalSubscriber;
  import hu.akarnokd.reactive4javaflow.impl.EmptySubscription;
  
  import java.util.concurrent.Flow;
  
  public final class EsetlegZipArray<T, R> extends Esetleg<R> {
  
      final Esetleg<? extends T>[] sources;
  
      final CheckedFunction<? super Object[], ? extends R> zipper;
  
      final boolean delayError;
  
      public EsetlegZipArray(Esetleg<? extends T>[] sources, CheckedFunction<? super Object[], ? extends R> zipper, boolean delayError) {
          this.sources = sources;
          this.zipper = zipper;
          this.delayError = delayError;
      }
  
      @Override
      protected void subscribeActual(FolyamSubscriber<? super R> s) {
          Flow.Publisher<? extends T>[] srcs = this.sources;
          int n = srcs.length;
          subscribe(srcs, n, s, zipper, delayError);
      }
  
      public static <T, R> void subscribe(Flow.Publisher<? extends T>[] srcs, int n, FolyamSubscriber<? super R> actual, CheckedFunction<? super Object[], ? extends R> zipper, boolean delayError) {
  
          if (n == 0) {
              EmptySubscription.complete(actual);
              return;
          }
          if (actual instanceof ConditionalSubscriber) {
              if (n == 1) {
                  srcs[0].subscribe(new FolyamMap.MapConditionalSubscriber<T, R>((ConditionalSubscriber<? super R>) actual, v -> zipper.apply(new Object[] { v })));
              } else {
                  FolyamZipArray.ZipArrayConditionalCoordinator<T, R> parent = new FolyamZipArray.ZipArrayConditionalCoordinator<>((ConditionalSubscriber<? super R>) actual, zipper, n, 1, delayError);
                  actual.onSubscribe(parent);
                  parent.subscribe(srcs, n);
              }
          } else {
              if (n == 1) {
                  srcs[0].subscribe(new FolyamMap.MapSubscriber<>(actual, v -> zipper.apply(new Object[]{ v })));
              } else {
                  FolyamZipArray.ZipArrayCoordinator<T, R> parent = new FolyamZipArray.ZipArrayCoordinator<>(actual, zipper, n, 1, delayError);
                  actual.onSubscribe(parent);
                  parent.subscribe(srcs, n);
              }
          }
      }
  }
  